-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
*/
#include <stdio.h>
#include <rte_log.h>
#include <rte_memory.h>
#include <rte_memcpy.h>
-#include <rte_memzone.h>
-#include <rte_tailq.h>
#include <rte_eal.h>
#include <rte_per_lcore.h>
#include <rte_launch.h>
#include <rte_lcore.h>
#include <rte_branch_prediction.h>
#include <rte_interrupts.h>
-#include <rte_pci.h>
+#include <rte_bus_pci.h>
#include <rte_debug.h>
#include <rte_ether.h>
#include <rte_ethdev.h>
-#include <rte_ring.h>
-#include <rte_log.h>
#include <rte_mempool.h>
#include <rte_mbuf.h>
#include <rte_string_fns.h>
/* Max size of a single packet */
#define MAX_PACKET_SZ 2048
-/* Number of bytes needed for each mbuf */
-#define MBUF_SZ \
- (MAX_PACKET_SZ + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
+/* Size of the data buffer in each mbuf */
+#define MBUF_DATA_SZ (MAX_PACKET_SZ + RTE_PKTMBUF_HEADROOM)
/* Number of mbufs in mempool that is created */
#define NB_MBUF (8192 * 16)
#define MEMPOOL_CACHE_SZ PKT_BURST_SZ
/* Number of RX ring descriptors */
-#define NB_RXD 128
+#define NB_RXD 1024
/* Number of TX ring descriptors */
-#define NB_TXD 512
+#define NB_TXD 1024
/* Total octets in ethernet header */
#define KNI_ENET_HEADER_SIZE 14
* Structure of port parameters
*/
struct kni_port_params {
- uint8_t port_id;/* Port ID */
+ uint16_t port_id;/* Port ID */
unsigned lcore_rx; /* lcore ID for RX */
unsigned lcore_tx; /* lcore ID for TX */
uint32_t nb_lcore_k; /* Number of lcores for KNI multi kernel threads */
static struct kni_port_params *kni_port_params_array[RTE_MAX_ETHPORTS];
-/* RX and TX Prefetch, Host, and Write-back threshold values should be
- * carefully set for optimal performance. Consult the network
- * controller's datasheet and supporting DPDK documentation for guidance
- * on how these parameters should be set.
- */
-/* RX ring configuration */
-static const struct rte_eth_rxconf rx_conf = {
- .rx_thresh = {
- .pthresh = 8, /* Ring prefetch threshold */
- .hthresh = 8, /* Ring host threshold */
- .wthresh = 4, /* Ring writeback threshold */
- },
- .rx_free_thresh = 0, /* Immediately free RX descriptors */
-};
-
-/*
- * These default values are optimized for use with the Intel(R) 82599 10 GbE
- * Controller and the DPDK ixgbe PMD. Consider using other values for other
- * network controllers and/or network drivers.
- */
-/* TX ring configuration */
-static const struct rte_eth_txconf tx_conf = {
- .tx_thresh = {
- .pthresh = 36, /* Ring prefetch threshold */
- .hthresh = 0, /* Ring host threshold */
- .wthresh = 0, /* Ring writeback threshold */
- },
- .tx_free_thresh = 0, /* Use PMD default values */
- .tx_rs_thresh = 0, /* Use PMD default values */
-};
/* Options for configuring ethernet port */
static struct rte_eth_conf port_conf = {
.rxmode = {
- .header_split = 0, /* Header Split disabled */
- .hw_ip_checksum = 0, /* IP checksum offload disabled */
- .hw_vlan_filter = 0, /* VLAN filtering disabled */
- .jumbo_frame = 0, /* Jumbo Frame Support disabled */
- .hw_strip_crc = 0, /* CRC stripped by hardware */
+ .ignore_offload_bitfield = 1,
+ .offloads = DEV_RX_OFFLOAD_CRC_STRIP,
},
.txmode = {
.mq_mode = ETH_MQ_TX_NONE,
/* kni device statistics array */
static struct kni_interface_stats kni_stats[RTE_MAX_ETHPORTS];
-static int kni_change_mtu(uint8_t port_id, unsigned new_mtu);
-static int kni_config_network_interface(uint8_t port_id, uint8_t if_up);
+static int kni_change_mtu(uint16_t port_id, unsigned int new_mtu);
+static int kni_config_network_interface(uint16_t port_id, uint8_t if_up);
+static int kni_config_mac_address(uint16_t port_id, uint8_t mac_addr[]);
static rte_atomic32_t kni_stop = RTE_ATOMIC32_INIT(0);
static void
print_stats(void)
{
- uint8_t i;
+ uint16_t i;
printf("\n**KNI example application statistics**\n"
"====== ============== ============ ============ ============ ============\n"
return;
}
- /* When we receive a RTMIN signal, stop kni processing */
- if (signum == SIGRTMIN) {
+ /* When we receive a RTMIN or SIGINT signal, stop kni processing */
+ if (signum == SIGRTMIN || signum == SIGINT){
printf("SIGRTMIN is received, and the KNI processing is "
"going to stop\n");
rte_atomic32_inc(&kni_stop);
static void
kni_ingress(struct kni_port_params *p)
{
- uint8_t i, port_id;
+ uint8_t i;
+ uint16_t port_id;
unsigned nb_rx, num;
uint32_t nb_kni;
struct rte_mbuf *pkts_burst[PKT_BURST_SZ];
static void
kni_egress(struct kni_port_params *p)
{
- uint8_t i, port_id;
+ uint8_t i;
+ uint16_t port_id;
unsigned nb_tx, num;
uint32_t nb_kni;
struct rte_mbuf *pkts_burst[PKT_BURST_SZ];
};
enum lcore_rxtx flag = LCORE_NONE;
- nb_ports = (uint8_t)(nb_ports < RTE_MAX_ETHPORTS ?
- nb_ports : RTE_MAX_ETHPORTS);
for (i = 0; i < nb_ports; i++) {
if (!kni_port_params_array[i])
continue;
int i, j, nb_token;
char *str_fld[_NUM_FLD];
unsigned long int_fld[_NUM_FLD];
- uint8_t port_id, nb_kni_port_params = 0;
+ uint16_t port_id, nb_kni_port_params = 0;
memset(&kni_port_params_array, 0, sizeof(kni_port_params_array));
while (((p = strchr(p0, '(')) != NULL) &&
printf("Invalid config parameters\n");
goto fail;
}
- rte_snprintf(s, sizeof(s), "%.*s", size, p);
+ snprintf(s, sizeof(s), "%.*s", size, p);
nb_token = rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',');
if (nb_token <= FLD_LCORE_TX) {
printf("Invalid config parameters\n");
}
i = 0;
- port_id = (uint8_t)int_fld[i++];
+ port_id = int_fld[i++];
if (port_id >= RTE_MAX_ETHPORTS) {
printf("Port ID %d could not exceed the maximum %d\n",
port_id, RTE_MAX_ETHPORTS);
printf("Port %d has been configured\n", port_id);
goto fail;
}
- kni_port_params_array[port_id] =
- (struct kni_port_params*)rte_zmalloc("KNI_port_params",
- sizeof(struct kni_port_params), CACHE_LINE_SIZE);
+ kni_port_params_array[port_id] =
+ rte_zmalloc("KNI_port_params",
+ sizeof(struct kni_port_params), RTE_CACHE_LINE_SIZE);
kni_port_params_array[port_id]->port_id = port_id;
kni_port_params_array[port_id]->lcore_rx =
(uint8_t)int_fld[i++];
"port %d transmitting not enabled\n",
kni_port_params_array[i]->lcore_tx,
kni_port_params_array[i]->port_id);
-
+
}
return 0;
return ret;
}
+/* Initialize KNI subsystem */
+static void
+init_kni(void)
+{
+ unsigned int num_of_kni_ports = 0, i;
+ struct kni_port_params **params = kni_port_params_array;
+
+ /* Calculate the maximum number of KNI interfaces that will be used */
+ for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
+ if (kni_port_params_array[i]) {
+ num_of_kni_ports += (params[i]->nb_lcore_k ?
+ params[i]->nb_lcore_k : 1);
+ }
+ }
+
+ /* Invoke rte KNI init to preallocate the ports */
+ rte_kni_init(num_of_kni_ports);
+}
+
/* Initialise a single port on an Ethernet device */
static void
-init_port(uint8_t port)
+init_port(uint16_t port)
{
int ret;
+ uint16_t nb_rxd = NB_RXD;
+ uint16_t nb_txd = NB_TXD;
+ struct rte_eth_dev_info dev_info;
+ struct rte_eth_rxconf rxq_conf;
+ struct rte_eth_txconf txq_conf;
+ struct rte_eth_conf local_port_conf = port_conf;
/* Initialise device and RX/TX queues */
RTE_LOG(INFO, APP, "Initialising port %u ...\n", (unsigned)port);
fflush(stdout);
- ret = rte_eth_dev_configure(port, 1, 1, &port_conf);
+ rte_eth_dev_info_get(port, &dev_info);
+ if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
+ local_port_conf.txmode.offloads |=
+ DEV_TX_OFFLOAD_MBUF_FAST_FREE;
+ ret = rte_eth_dev_configure(port, 1, 1, &local_port_conf);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Could not configure port%u (%d)\n",
(unsigned)port, ret);
- ret = rte_eth_rx_queue_setup(port, 0, NB_RXD,
- rte_eth_dev_socket_id(port), &rx_conf, pktmbuf_pool);
+ ret = rte_eth_dev_adjust_nb_rx_tx_desc(port, &nb_rxd, &nb_txd);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Could not adjust number of descriptors "
+ "for port%u (%d)\n", (unsigned)port, ret);
+
+ rxq_conf = dev_info.default_rxconf;
+ rxq_conf.offloads = local_port_conf.rxmode.offloads;
+ ret = rte_eth_rx_queue_setup(port, 0, nb_rxd,
+ rte_eth_dev_socket_id(port), &rxq_conf, pktmbuf_pool);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Could not setup up RX queue for "
"port%u (%d)\n", (unsigned)port, ret);
- ret = rte_eth_tx_queue_setup(port, 0, NB_TXD,
- rte_eth_dev_socket_id(port), &tx_conf);
+ txq_conf = dev_info.default_txconf;
+ txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
+ txq_conf.offloads = local_port_conf.txmode.offloads;
+ ret = rte_eth_tx_queue_setup(port, 0, nb_txd,
+ rte_eth_dev_socket_id(port), &txq_conf);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Could not setup up TX queue for "
"port%u (%d)\n", (unsigned)port, ret);
/* Check the link status of all ports in up to 9s, and print them finally */
static void
-check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
+check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
{
#define CHECK_INTERVAL 100 /* 100ms */
#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
- uint8_t portid, count, all_ports_up, print_flag = 0;
+ uint16_t portid;
+ uint8_t count, all_ports_up, print_flag = 0;
struct rte_eth_link link;
printf("\nChecking link status\n");
/* print link status if flag set */
if (print_flag == 1) {
if (link.link_status)
- printf("Port %d Link Up - speed %u "
- "Mbps - %s\n", (uint8_t)portid,
- (unsigned)link.link_speed,
+ printf(
+ "Port%d Link Up - speed %uMbps - %s\n",
+ portid, link.link_speed,
(link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
("full-duplex") : ("half-duplex\n"));
else
- printf("Port %d Link Down\n",
- (uint8_t)portid);
+ printf("Port %d Link Down\n", portid);
continue;
}
/* clear all_ports_up flag if any link down */
- if (link.link_status == 0) {
+ if (link.link_status == ETH_LINK_DOWN) {
all_ports_up = 0;
break;
}
/* Callback for request of changing MTU */
static int
-kni_change_mtu(uint8_t port_id, unsigned new_mtu)
+kni_change_mtu(uint16_t port_id, unsigned int new_mtu)
{
int ret;
+ uint16_t nb_rxd = NB_RXD;
struct rte_eth_conf conf;
+ struct rte_eth_dev_info dev_info;
+ struct rte_eth_rxconf rxq_conf;
if (port_id >= rte_eth_dev_count()) {
RTE_LOG(ERR, APP, "Invalid port id %d\n", port_id);
memcpy(&conf, &port_conf, sizeof(conf));
/* Set new MTU */
if (new_mtu > ETHER_MAX_LEN)
- conf.rxmode.jumbo_frame = 1;
- else
- conf.rxmode.jumbo_frame = 0;
+ conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
+ else
+ conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
/* mtu + length of header + length of FCS = max pkt length */
conf.rxmode.max_rx_pkt_len = new_mtu + KNI_ENET_HEADER_SIZE +
return ret;
}
+ ret = rte_eth_dev_adjust_nb_rx_tx_desc(port_id, &nb_rxd, NULL);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Could not adjust number of descriptors "
+ "for port%u (%d)\n", (unsigned int)port_id,
+ ret);
+
+ rte_eth_dev_info_get(port_id, &dev_info);
+ rxq_conf = dev_info.default_rxconf;
+ rxq_conf.offloads = conf.rxmode.offloads;
+ ret = rte_eth_rx_queue_setup(port_id, 0, nb_rxd,
+ rte_eth_dev_socket_id(port_id), &rxq_conf, pktmbuf_pool);
+ if (ret < 0) {
+ RTE_LOG(ERR, APP, "Fail to setup Rx queue of port %d\n",
+ port_id);
+ return ret;
+ }
+
/* Restart specific port */
ret = rte_eth_dev_start(port_id);
if (ret < 0) {
/* Callback for request of configuring network interface up/down */
static int
-kni_config_network_interface(uint8_t port_id, uint8_t if_up)
+kni_config_network_interface(uint16_t port_id, uint8_t if_up)
{
int ret = 0;
return ret;
}
+static void
+print_ethaddr(const char *name, struct ether_addr *mac_addr)
+{
+ char buf[ETHER_ADDR_FMT_SIZE];
+ ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, mac_addr);
+ RTE_LOG(INFO, APP, "\t%s%s\n", name, buf);
+}
+
+/* Callback for request of configuring mac address */
static int
-kni_alloc(uint8_t port_id)
+kni_config_mac_address(uint16_t port_id, uint8_t mac_addr[])
+{
+ int ret = 0;
+
+ if (port_id >= rte_eth_dev_count() || port_id >= RTE_MAX_ETHPORTS) {
+ RTE_LOG(ERR, APP, "Invalid port id %d\n", port_id);
+ return -EINVAL;
+ }
+
+ RTE_LOG(INFO, APP, "Configure mac address of %d\n", port_id);
+ print_ethaddr("Address:", (struct ether_addr *)mac_addr);
+
+ ret = rte_eth_dev_default_mac_addr_set(port_id,
+ (struct ether_addr *)mac_addr);
+ if (ret < 0)
+ RTE_LOG(ERR, APP, "Failed to config mac_addr for port %d\n",
+ port_id);
+
+ return ret;
+}
+
+static int
+kni_alloc(uint16_t port_id)
{
uint8_t i;
struct rte_kni *kni;
/* Clear conf at first */
memset(&conf, 0, sizeof(conf));
if (params[port_id]->nb_lcore_k) {
- rte_snprintf(conf.name, RTE_KNI_NAMESIZE,
+ snprintf(conf.name, RTE_KNI_NAMESIZE,
"vEth%u_%u", port_id, i);
conf.core_id = params[port_id]->lcore_k[i];
conf.force_bind = 1;
} else
- rte_snprintf(conf.name, RTE_KNI_NAMESIZE,
+ snprintf(conf.name, RTE_KNI_NAMESIZE,
"vEth%u", port_id);
- conf.group_id = (uint16_t)port_id;
+ conf.group_id = port_id;
conf.mbuf_size = MAX_PACKET_SZ;
/*
* The first KNI device associated to a port
memset(&dev_info, 0, sizeof(dev_info));
rte_eth_dev_info_get(port_id, &dev_info);
- conf.addr = dev_info.pci_dev->addr;
- conf.id = dev_info.pci_dev->id;
+
+ if (dev_info.pci_dev) {
+ conf.addr = dev_info.pci_dev->addr;
+ conf.id = dev_info.pci_dev->id;
+ }
+ /* Get the interface default mac address */
+ rte_eth_macaddr_get(port_id,
+ (struct ether_addr *)&conf.mac_addr);
+
+ rte_eth_dev_get_mtu(port_id, &conf.mtu);
memset(&ops, 0, sizeof(ops));
ops.port_id = port_id;
ops.change_mtu = kni_change_mtu;
ops.config_network_if = kni_config_network_interface;
+ ops.config_mac_address = kni_config_mac_address;
kni = rte_kni_alloc(pktmbuf_pool, &conf, &ops);
} else
}
static int
-kni_free_kni(uint8_t port_id)
+kni_free_kni(uint16_t port_id)
{
uint8_t i;
struct kni_port_params **p = kni_port_params_array;
if (port_id >= RTE_MAX_ETHPORTS || !p[port_id])
return -1;
- for (i = 0; i < p[i]->nb_kni; i++) {
- rte_kni_release(p[i]->kni[i]);
- p[i]->kni[i] = NULL;
+ for (i = 0; i < p[port_id]->nb_kni; i++) {
+ if (rte_kni_release(p[port_id]->kni[i]))
+ printf("Fail to release kni\n");
+ p[port_id]->kni[i] = NULL;
}
rte_eth_dev_stop(port_id);
main(int argc, char** argv)
{
int ret;
- uint8_t nb_sys_ports, port;
+ uint16_t nb_sys_ports, port;
unsigned i;
/* Associate signal_hanlder function with USR signals */
signal(SIGUSR1, signal_handler);
signal(SIGUSR2, signal_handler);
signal(SIGRTMIN, signal_handler);
+ signal(SIGINT, signal_handler);
/* Initialise EAL */
ret = rte_eal_init(argc, argv);
rte_exit(EXIT_FAILURE, "Could not parse input parameters\n");
/* Create the mbuf pool */
- pktmbuf_pool = rte_mempool_create("mbuf_pool", NB_MBUF, MBUF_SZ,
- MEMPOOL_CACHE_SZ,
- sizeof(struct rte_pktmbuf_pool_private),
- rte_pktmbuf_pool_init, NULL, rte_pktmbuf_init, NULL,
- rte_socket_id(), 0);
+ pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF,
+ MEMPOOL_CACHE_SZ, 0, MBUF_DATA_SZ, rte_socket_id());
if (pktmbuf_pool == NULL) {
rte_exit(EXIT_FAILURE, "Could not initialise mbuf pool\n");
return -1;
}
- /* Initialise PMD driver(s) */
- ret = rte_pmd_init_all();
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Could not initialise PMD (%d)\n", ret);
-
- /* Scan PCI bus for recognised devices */
- ret = rte_eal_pci_probe();
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Could not probe PCI (%d)\n", ret);
-
/* Get number of ports found in scan */
nb_sys_ports = rte_eth_dev_count();
if (nb_sys_ports == 0)
- rte_exit(EXIT_FAILURE, "No supported Ethernet devices found - "
- "check that CONFIG_RTE_LIBRTE_IGB_PMD=y and/or "
- "CONFIG_RTE_LIBRTE_IXGBE_PMD=y in the config file\n");
+ rte_exit(EXIT_FAILURE, "No supported Ethernet device found\n");
/* Check if the configured port ID is valid */
for (i = 0; i < RTE_MAX_ETHPORTS; i++)
rte_exit(EXIT_FAILURE, "Configured invalid "
"port ID %u\n", i);
+ /* Initialize KNI subsystem */
+ init_kni();
+
/* Initialise each port */
for (port = 0; port < nb_sys_ports; port++) {
/* Skip ports that are not enabled */
continue;
kni_free_kni(port);
}
-#ifdef RTE_LIBRTE_XEN_DOM0
- rte_kni_close();
-#endif
for (i = 0; i < RTE_MAX_ETHPORTS; i++)
if (kni_port_params_array[i]) {
rte_free(kni_port_params_array[i]);
return 0;
}
-